Flexible suction hose (Flextube) Sandtler, 50mm, spring steel coil, -35°C to +135°C, 1 meter buy | MAXISCOOT.com
5m Inner Diameter 50mm Outer Diameter 58mm Gary Hose with High Temperature Flexible EVA Vacuum Cleaner Hose Parts|cleaner hose|hose 50mm50mm hose - AliExpress
50 mm flexible pipe - Hot tub and spa plumbing
10 m PVC flexible hose / pipe 50 mm length 10 m for pools and spa
50mm / 51mm 2 Inch I D Neo 2 Ply Black Flexible Neoprene Air Hose Duct